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Multi-Strand, No. 40, B Style, .500" plain bore
Has recessed groove in hub for chain clearance

All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Bore Diameter_SYN

0.500 in

Hub Diameter_SYN

1.563 in

Length Through Bore_SYN

2.125 in

Sprocket Style_SYN

B

Number of Teeth_SYN

12

Outside Diameter_SYN

2.170 in

Pitch Diameter_SYN

1.932 in

Caliper Diameter

1.620 in
Max. Bore1 0.938 in

Weight_SYN

1.100 lb

Tooth Width_SYN

0.275 in

Hardened Teeth 

Yes

UPC Code

097039367327

Chain Technical Data

Chain Pitch_SYN

0.500 in

Chain Number_SYN

40-3
  • 1 Dimensions shown allow for strandard keyway with set screw at 90°